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An insulated rigid tank is divided into two equal parts by a partition. Initially, one part contains 4 kg of an ideal gas at 800 kPa and 50°C, and the other part is evacuated. The partition is now removed, and the gas expands into the entire tank. Determine the final temperature and pressure in the tank.
As a consulting engineer you are hired to evaluate the operation and the unit processes within the plant and make recommendations for improvements. You are asked to consider the following units.
Water flows through a 250-mm diameter steel (C=120) pipe at a a velocity, V = 1.5 m/s. Using the Hazen-Williams equation, what is the head loss due to friction per 1000 m of pipe
An undisturbed soil sample was collected in a sampling tube of internal diameter 5cm. The length of the extracted sample was 10.2 cm and its mass was 360 g. After oven drying the mass reduced to 326.5 g.
what is the engineering ethics case related to civil engineering with reference and discuss all the engineering ethics issues which covered the "Engineering etics concepte and cases?
Determine the magnitude of the average force acting on a highway bumper when a 5000-lb car traveling at 60 mph crashes against it. The time interval during which the car is brought to rest is 0.3 s.
An increase in gasoline prices from $1.00 to $1.30 per gallon resulted in a decrease of automobile use from 1,000,000 to 960,000 trips. Estimate the likely impact of an increase in gasoline prices from $1.30 to $1.50. Solve this problem using three a..
An in-compressible fluid flows horizontally in the x-y plane with a velocity given by u = 33 (y/h)^1/2 , where y and h are in meters and h is a constant. Determine the average velocity for the portion of the flow between y = 0 and y =h.
The flowrate (q) per unit lenght (ft^2/s) over the spillway shown below is a fuction of the upstream heah H, the acceleration due to gravity g, and the spillway height P.
The pesticide methyl parathion is leached into a stream from an abandoned disposal site. Is photolysis likely to be a significant sink for this chemical. If the travel time to the ocean is 5 days
A small package of weight W is projected into a vertical return loop at A with a velocity Vo. The package travels without friction along a circle of radius "r" and is deposited on a horizontal surface at C.
Due to a leak in Pump Station 1,the Alaska pipeline is shut down briefly.The pipe line is half full.Assume the pipe is welded horizontally at its midpoint.What is the tensile force on the weld per foot? Assume Ø=40”and ?oil=53.55lb/ft3.
Calculate the moments M_A and M_B about point A for the forces applied at points A and B. Then, determine the resulting couple moment M_R. Assume that a positive moment produces a counterclockwise rotation whereas a negative moment produces a cloc..
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